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Finding the Fourth Proportional to 94,891.70, 130,952.34 and 52,449.32

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Solution

The fourth proportional to 94,891.70, 130,952.34 and 52,449.32 is: 72,381.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,891.70 : 130,952.34 = 52,449.32 : x
  2. Step 2: Convert to fraction form
    94,891.70/130,952.34 = 52,449.32/x
  3. Step 3: Cross multiply
    94,891.70x = 130,952.34 × 52,449.32
  4. Step 4: Simplify right side
    94,891.70x = 6,868,361,185.41
  5. Step 5: Solve for x
    x = 6,868,361,185.41/94,891.70
  6. Step 6: Final answer
    x = 72,381.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.